Patents by Inventor Lei Ma

Lei Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240151348
    Abstract: The present disclosure provides a quick release device, and relates to the technical field of accessories for electronic products. The quick release device includes a device body. A rotary tray is movably disposed at a bottom of the device body, and the rotary tray is used to connect a terminal bracket. A rotary buckle of which one end extends to the bottom of the device body and is fastened to the rotary tray is movably inside the device body, and the device body rotates 360° relative to the rotary buckle and the rotary tray. Through the spring-loaded bead, the device body may rotate 360° for adjustment and positioning, to meet a use requirement of a user. A product housing may be removed by only holding the product housing and toggling the operating rod. Therefore, operations are more simple, and convenience for outdoor sports is improved.
    Type: Application
    Filed: January 16, 2024
    Publication date: May 9, 2024
    Inventors: Wenhong Ma, Lei Luo, Gang Yang, Lei Liu
  • Publication number: 20240155581
    Abstract: In a signal transmission method and apparatus, a network device sends scheduling information of at least one of two carriers whose communication directions are opposite on a target OFDM symbol; a terminal device performs channel transmission of a target carrier on the target OFDM symbol based on the scheduling information, where the target carrier is one of carriers that are of the two carriers whose communication directions are opposite and that have channel transmission on the target OFDM symbol; and the network device performs channel transmission on the target OFDM symbol and the target carrier. A time domain resource may be allocated to a carrier on which transmission scheduling is currently performed, thereby improving transmission resource utilization and reducing a waiting delay.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Shengyu LI, Lei GUAN, Ruijie LI, Ruixiang MA, Zhiheng GUO, Xinghua SONG
  • Publication number: 20240151179
    Abstract: An aircraft power system includes an internal combustion core engine where an inlet airflow is mixed with a fuel and ignited to generate shaft power and a primary gas flow, a boost combustor where a portion of the primary gas flow from the core engine is combined with fuel and ignited to generate a boosted gas flow, and a drive turbine that includes a drive output shaft wherein the boosted gas flow is expanded to generate shaft power.
    Type: Application
    Filed: November 4, 2022
    Publication date: May 9, 2024
    Inventors: Steven W. Burd, Joseph B. Staubach, David Lei Ma
  • Patent number: 11976633
    Abstract: A control system for limiting power turbine torque (QPT) of a gas turbine engine includes a controller including a processor and memory configured to control the gas turbine engine, the controller including an engine control module that provides an effector command signal to a gas generator of the gas turbine engine; a power turbine governor module that outputs a preliminary torque request (QPT_req_pre); and a power turbine torque (QPT) optimal limiter module that outputs a maximum torque topper (QPT_max) to limit a power turbine speed overshoot of the gas turbine engine; wherein the controller outputs a minimum value between the preliminary torque request (QPT_req_pre) and the maximum torque topper (QPT_max) to the engine control module.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: May 7, 2024
    Assignee: RTX CORPORATION
    Inventors: Chaohong Cai, Timothy J Crowley, David Lei Ma, Richard P Meisner
  • Publication number: 20240138813
    Abstract: One or more embodiments of the present disclosure may provide a power structure and an ultrasound probe. The power structure may include a driving assembly. The driving assembly may include a transmission device; the transmission device including a rotation component, a rope and an elastic component, and the rotation component including a driving wheel and/or a driven wheel. The driving wheel may be in a transmission connection to the driven wheel by the rope. The rope may be in an elastic connection to a body of the driving wheel and/or a body of the driven wheel through the elastic component. The rotation component may be provided with an accommodation cavity, and an extension channel in communication with the accommodation cavity. The elastic component may be accommodated in the accommodation cavity. One end of the rope elastically connected to the driving wheel and/or the driven wheel may be located in the accommodation cavity, and a portion of the rope may be located in the extension channel.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Applicant: WUHAN UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Lei ZHANG, Xianglong MA, Kang SI
  • Publication number: 20240138180
    Abstract: The present disclosure provides an organic light-emitting diode, a method of manufacturing the same, and an organic light-emitting diode display apparatus. The organic light-emitting diode includes an anode; a hole injection layer; a hole transport layer; an electron blocking layer; an organic luminescent layer; a hole blocking layer; an electron transport layer; and a cathode, wherein a first composite layer is provided between the electron blocking layer and the organic luminescent layer, and the first composite layer includes a material of the electron blocking layer and a host material of the organic luminescent layer.
    Type: Application
    Filed: May 20, 2021
    Publication date: April 25, 2024
    Inventors: Congcong JIA, Lei CHEN, Kun MA
  • Publication number: 20240131114
    Abstract: The present disclosure relates to the field of biopharmaceuticals and provides a nerve growth factor (NGF) fusion protein and a preparation method and use thereof. The fusion protein has a general formula represented by A-B or A-L-B, wherein A is a nerve growth factor, L is a linker peptide, and B is an Fc moiety of IgG, or an analogue of the Fc moiety of IgG, or a fragment of the Fc moiety of IgG. The fusion protein of the present disclosure has the following advantages over a wild-type NGF: higher biological activity, a half-life extended more than 17 times, greatly reduced administration frequency, and significantly increased efficacy.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 25, 2024
    Inventors: Qingshuang Zhang, Lei Ma, Ming Liu
  • Publication number: 20240126553
    Abstract: A data processing method and apparatus, and a related product. The data processing method comprises: when a decoded processing instruction is a vector extension instruction, determining a source data address, a destination data address and an extension parameter of data corresponding to the processing instruction; according to the extension parameter, extending first vector data of the source data address, so as to obtain extended second vector data; storing the second vector data to the destination data address, wherein the source data address and the destination data address comprise consecutive data addresses. Vector extension and storage are implemented by means of an extension parameter in a vector extension instruction, so as to obtain extended vector data, thereby simplifying processing, and reducing data overhead.
    Type: Application
    Filed: April 28, 2021
    Publication date: April 18, 2024
    Inventors: Xuyan MA, Jianhua WU, Shaoli LIU, Xiangxuan GE, Hanbo LIU, Lei ZHANG
  • Publication number: 20240126548
    Abstract: The present disclosure relates to a data processing method, a data processing apparatus, and related products. The data processing apparatus includes an address determining unit and a data storage unit. The address determining unit is configured to determine a source data address and a plurality of discrete destination data addresses of data corresponding to a processing instruction when the decoded processing instruction is a discrete store instruction, where the source data address may include continuous data addresses.
    Type: Application
    Filed: April 28, 2021
    Publication date: April 18, 2024
    Inventors: Xuyan MA, Jianhua WU, Shaoli LIU, Xiangxuan GE, Hanbo LIU, Lei ZHANG
  • Patent number: 11963444
    Abstract: The present disclosure provides an organic compound, an organic electroluminescent device and an electronic apparatus including the same, and belongs to the field of organic electroluminescence. The organic compound of the present disclosure has a structure represented by a formula 1, and when the organic compound is applied to an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: April 16, 2024
    Assignee: Shaanxi Lighte Optoelectronics Material Co., Ltd.
    Inventors: Tiantian Ma, Min Yang, Lei Yang, Yan Zang, Kongyan Zhang
  • Publication number: 20240121032
    Abstract: A wireless communication apparatus for transmitting data to a plurality of terminals in conformity with a predetermined wireless communication standard, comprises a controller configured to execute: successively broadcast-transmitting a plurality of data blocks; broadcast-transmitting first notification data as a notification for causing a first terminal receiving at least a part of the plurality of data blocks to declare that there is an unsuccessfully received data block after completion of the transmission of the plurality of data blocks; and retransmitting, if second notification data indicating the unsuccessfully received data block is received as a response to the first notification data from one or more of the first terminal, the data block indicated by the second notification data.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 11, 2024
    Inventors: Lei ZHONG, Xiao SHAO, Ryokichi ONISHI, Jing MA
  • Publication number: 20240121029
    Abstract: Provided in the present application are a data processing method and apparatus based on data coding, and a device. The method comprises: performing N-channel error correction coding on data to be processed that is in information to be processed, so as to obtain N pieces of coded data to be processed; by using coded meta-channel data obtained by means of error correction coding, performing redundancy processing on the coded data to be processed, so as to obtain N pieces of response data; and then performing error correction decoding on the N pieces of response data, so as to obtain processing result information of the information to be processed.
    Type: Application
    Filed: June 7, 2021
    Publication date: April 11, 2024
    Inventors: Lei HE, Jiangxing WU, Quan REN, Hailong MA, Yiming JIANG, Peng ZHANG, Jichao XIE, Yiwei GUO, Zhifeng FENG
  • Patent number: 11951575
    Abstract: Disclosed are an automatic welding system and method for large structural parts based on hybrid robots and 3D vision. The system comprises a hybrid robot system composed of a mobile robot and an MDOF robot, a 3D vision system, and a welding system used for welding. The rough positioning technique based on a mobile platform and the accurate recognition and positioning technique based on high-accuracy 3D vision are combined, so the working range of the MDOF robot in the XYZ directions is expanded, and flexible welding of large structural parts is realized. The invention adopts 3D vision, thus having better error tolerance and lower requirements for the machining accuracy of workpieces, positioning accuracy of mobile robots and placement accuracy of the workpieces; and the cost is reduced, the flexibility is improved, the working range is expanded, labor is saved, production efficiency is improved, and welding quality is improved.
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: April 9, 2024
    Inventors: Tao Yang, HuanHuan Li, Lei Peng, JunWei Jiang, Li Ma, QingFeng Liu, NiNi Zhang, Fang Wang
  • Publication number: 20240114775
    Abstract: The present disclosure belongs to the technical field of organic materials, and provides a nitrogen-containing compound, and an electronic element and an electronic device comprising same. The nitrogen-containing compound has a structure as presented by chemical formula 1.
    Type: Application
    Filed: April 1, 2022
    Publication date: April 4, 2024
    Inventors: Tiantian MA, Lei YANG
  • Patent number: 11949234
    Abstract: A method for making a spatio-temporal combined optimal scheduling strategy of a mobile energy storage (MES) system includes: inputting data of a power system, a traffic system, and an MES system; setting a time interval, and initializing a time interval counter; inputting real-time fault, traffic, and MES data; and performing rolling optimization and solving, and delivering regulation decision instructions of the MES system, till a fault is removed. The core of the present disclosure is to propose a spatio-temporal combined optimal model of the MES system to describe spatio-temporal coupling statuses of an energy storage vehicle, a traffic network, and a power distribution network. The present disclosure provides guidance for an optimal scheduling decision of the MES system by properly regulating a traveling path and charging and discharging power of the MES system, thereby supporting high-reliability operation of the power distribution network.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: April 2, 2024
    Assignees: Electric Power Science & Research Institute of State Grid Tianjin Electric Power Company, State Grid Tianjin Electric Power Company, State Grid Corporation of China
    Inventors: Shiqian Ma, Bin Wu, Yun Liu, Xianxu Huo, Yi Ding, Lei Wu, Tianhao Wang
  • Publication number: 20240102416
    Abstract: A turbine engine assembly includes a turbine section including at plurality of turbine stages through which the gas flow expands to generate a mechanical power output. An inter-turbine burner between at least two of the plurality of turbine stages reheats the gas flow. A condenser extracts water from the gas flow exhausted from the turbine section, and an evaporator heats the water extracted by the condenser to generate a steam flow with the steam flow communicated to the inter-turbine burner and added to the gas flow expanded through the turbine section.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 28, 2024
    Inventors: David Lei Ma, Joseph B. Staubach
  • Publication number: 20240106689
    Abstract: Systems and methods for low power wireless device detection are provided. In one or more implementations, a transmitting/advertising device may include a device identifier and/or one or more time-offset bits in a wireless communication frame for a scanning/receiving device. The scanning/receiving device may perform sequence-level correlation operations to detect the presence of the transmitting/advertising device. The sequence-level correlation operations may detect the transmitting/advertising device based on a detection of a correlation signal peak corresponding to the device identifier, and/or based relative timing of the correlation signal peak corresponding to the device identifier and a correlation signal peak corresponding to another item in the wireless communication frame.
    Type: Application
    Filed: August 25, 2023
    Publication date: March 28, 2024
    Inventors: Lei LI, Camille CHEN, Siegfried LEHMANN, Yuelin MA
  • Publication number: 20240101433
    Abstract: The present disclosure discloses a method for preparing a hierarchical porous material for a molecular sieve with an MFI structure. In the present disclosure, porous silicon dioxide is used as a carrier on a surface of which a nano zeolite seed is loaded, and then subjected to treatment with a secondary growth compound fluid and hydrothermal crystallization, so that a nano zeolite molecular sieve membrane is further grown on the surface of the porous silicon dioxide. The specific surface area and pore volume of the hierarchical porous material for the molecular sieve with the MFI structure prepared by the present disclosure are greatly improved compared with those of the original porous silicon dioxide. The material not only has the macroporous structure of the porous silicon dioxide, but also incorporates micropores of the molecular sieve itself and mesopores formed by molecular sieve agglomeration.
    Type: Application
    Filed: September 21, 2023
    Publication date: March 28, 2024
    Inventors: Tao Tian, Dongdong Zhang, Lei Wang, Dianmin Ma, Jiangang Sun, Jitao Zhang, Ming Zhang
  • Publication number: 20240107426
    Abstract: Systems and methods for low power wireless device detection are provided. In one or more implementations, a transmitting/advertising device may include a device identifier and/or one or more time-offset bits in a wireless communication frame for a scanning/receiving device. The scanning/receiving device may perform sequence-level correlation operations to detect the presence of the transmitting/advertising device. The sequence-level correlation operations may detect the transmitting/advertising device based on a detection of a correlation signal peak corresponding to the device identifier, and/or based relative timing of the correlation signal peak corresponding to the device identifier and a correlation signal peak corresponding to another item in the wireless communication frame.
    Type: Application
    Filed: August 25, 2023
    Publication date: March 28, 2024
    Inventors: Lei LI, Camille CHEN, Siegfried LEHMANN, Yuelin MA
  • Publication number: 20240095408
    Abstract: Embodiments of this application disclose a data protection method and system, a medium, and an electronic device, and belong to the field of communication technologies. In embodiments of this application, a first electronic device establishes a communication connection to a second electronic device. The first electronic device is a trusted device of the second electronic device. When detecting a first trigger condition, the first electronic device sends first data to the second electronic device. The first data is used to trigger the second electronic device to enter a maintenance mode. According to embodiments of this application, the first electronic device triggers the second electronic device to enter the maintenance mode, to protect data of the electronic devices.
    Type: Application
    Filed: December 31, 2021
    Publication date: March 21, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Huayuan Han, Bing Ma, Jie Li, Kui Wang, Xuan Zhou, Lei Chen, Qiang Li